Ladle cage



March 30 1926.

W. W. SHAWL LADLE GAGE Filed June 19, 1925 PL; (l W L Patented Mar. 30,1926,l`

UNITED STATES NORTH I rIDU-sfrlw, OHIO, ASSIGNOR vor. oNEfrI'ALF To`rJOHN W. WOODRUFF, OF CANTON, OHIO. 1`

LADLE CAGE.

Application filed June 19, 1925. Serial No. :iwf/4 0.' Y l TO @ZZ whomMuay aendern.' i

Be lit known that l, WALTER 7. SHAW/nea citizen Ot'. thenitedjStetes,residing'ntI. North' Industry, in the lf'zfnuity' O Sterk;yand' 'Y Stat@ Off QhQ, here invented Crtln .new

and useful yIinp rWenige-nts' Lgidle Q Qfqiges;,OtI which the followingA1s ,a spreeitleation.AV Y

This inxfention relates tO :t enge adepted t t tO be temporarily blttced-Witliine ladle such potting wie in e@ wie ed ser@ as is'nsed forreceiving molten `steel Or' z llly from an Open lieztrth oreleetriefurfneeekind pouring 'tliefsaine into ingotV niOldgs Vfor thelike, tliercafge being designed tO- Vshield the ,WQrkinenfboni the'intenseflgezit Oftlie llgtdle during tl1e time` they A are replacing.the

l StQpPerJ-Od' :therein 1 Ilnthe ingiunfqeture Of. steel .Or:illjOyf'ingOts l proportions f furnace and melted', and 1t tlie propel"time f the-nielteninetel ispeured frein tlie'furnglce-; vinto ,it ladle"Of suilieient" prOpOi'.tiOns -@to ref -sceixe tlie entire Charge Oftlief-urnee, nsual- 1'l,fabout one 'liundred'tons'f v'Tjliis ladlezisin.filming nozzle berne @et rms very relrllyf Y replace the, seine afteritliezpounng in an Open'liearthfor eleetrie' 'the ferm Of. zr largebucket, ferrnedof steel -v and having la fr@ brickl-.rlrle f P- Ourlilgef nozzle, usually of b riclgbelng proyided ln the bottenrot tlieflzltdlefor plouring the molten steelfnto tlie usual ingOt melde, e Store@fodrbrle Operable wfhll #lle'ladle tO slintoffthe pouring neygle'lzrstlge ladle is inered uplon aV crane frein Oneu'nOldltO- cnrs-beneath.the ledgleff f d rllliis messe-f @Olten ',inetgl lsuirou'nding thestopper .rod and passin0-tlirqugl1 2the Een, these' nia-king' @it.necessary tO4 .the next Of es the inelds'nre inbred Hupon,

@Wies rt@ the Aiiitls'e liet i9 which ne thereurng ladle be.

h eat.

epemtiel" it i511@ meer *MPL11 Permitted@ @9.01 tot e@ 1 eaclirheatis'ipou're'd, before the enter tliesgune tureplace Athe'pc mi@ eter, .er,olf UA; f @et 1.1 :sont tir/Clay We@ the Sm@ 211.191. leert@ ning;

ach

neN-tlilt, is pOured .Thus tlieladle is k'elznt Out Of. use fOrv thegreater 'part of the time, 4und when lis linelly in eonditonjfor 're--ceixrng another li'egmtfroni the furneee vitflizxs `alley which isvpoured fintOthesaine, quickly chilling tlie 1 netnl which centaetswitlithe ladle and ojften causingtliedoss 0f many toiis of in etzillwliie'li'lierlens v'arQund tlie Wallsof the ladle before it cany bepoured there-liront u Y Under present'steel inill preetice iin Order toAcOglufserre'timev and ,plebe tlie'flzldle in' use 'as seonlas possiblee'ftefr'eaehlreatrlilztsheen pOured, the worlgirie'n "enteriiheiltijdlefzinc' start the resetting Of thepourlng nozze and [stepper foldes fson :the "ladle lias'fcOOled tO approximately13009 .Fg v`lfliislef@Curse is eirextreine ,terrlpeifeture nvfwliicli tof Worlg and notJ.Oifil -f Causes hardshipA to, tliejvorkstopperred, `Often resulting linpeor .Werk- .rngrnsliip which' @euses O Onsiderfable loss in .the nextVvlient' o fin'etiil peuled trein lg/rdleV l The Object Of the presentinvention yis, tO-

pgroyide :t enge .of slightly vsmaller diameter tliantlie interiir ofthe ladle and eri'ailgeclL 'to lowered inte the ladle afs sOn es a heat"beenpeured',therefrom,protecting the Y jf'lorlrnien 4freinintense.heatOfA the' ladle Wlliile .theyreset the-,pouring nezzle'endstopper red, suitable d OOrs being previ/deel will be ,quickly 'belted.by'eOnt-ect vitfitli the highly heated' refbricl lend shell VOthe`-ladle, thus inakingit unnecessary tebuildV gt cqeinplislrtlre s gune.`The green lire clay which .1s. ,ta1nped around the "lp'ofurlng nozzle aWOfOd lire Over'the saine", and 'permitting Y A.the jleidde to be Placed'in Operation Within a A eli till .per-y @elle I Without interferingwith the stopper rod and trated in kthe ling.

goose neck; the side and bottom Walls of the cage being Water jacketedand lined with asbestos it desired, andmeans being provided forsuspending the cage from a crane.

An embodiment of the invention is illusaccompanying drawing, V1n

Y Figure V1 is a'sectional Viewtlirough a ladle f usual formshowing-.the improvedcage located therein, and Y Fig. 2, is aVperspective 'View ol the cage.

' Similar numerals ol' reference ind-icate'- corresponding partsthroughout the draw- VA. ladle is.conventionally shown in Fig'.` 1,having the usualsteel'rshcll- 1 4and hre brick lining 2, 'landprovided'with the fire brick 'pouring nozzle 3 which isset in theopening` *4 of the lirey brick lining. by means of lire vclay whichisrtamped around the Vsame "as Vshown at 5.

The K' stopper rod y the goose 'neck 4' and sliding rod 8 which is`Avertically movedwthrough the tubular guide r9 Vas by a manuallyoperated leverlO.

This pouring nozzle 3 and stopper rod 6 must be replacedV after eachheat 1s poured,

making'itnecessary for 'the Workmen to `crawl downy inside'theladleafter the same usually done when theA ladle n hassufliciently.cooled,to replace these parts. .n vOwing tov theenormouscapacity 'oftheV ladle 'several hours'are required (for the sameto cool sulliciently to permit Vthe workmen to enter kthe sam'efor'doing'this Work, Whichis substantially 300O .F.f y Y. l Y' Aftert thenozzle 3 has been rel-.setandtllej .fireclay 'ftamped around thesame,aWoodV y vtire -is--built over the green'fir'e clay and Vkept burning forseveral hours toV thoroughly bake' the samefbefore another heat'can beVpoured into the ladle. rlhus the ladle is kept out of commissionforalconsiderable period of time 'and when again ready for use it issubstan#V tially cold, `quickly cooling the molten metal 'Y tion of themetal..

which is poured therein Vfromithe furnace,"

often 'causing` the loss'of a considerable 'por- In' order to permitthis .nozzle and Astopper lf 'rod to .be replaced immediately after thepouring of a heat 'fromtlie ladle, I have provided a cageadapted tobellowered into the',

' ladle Vimmediately,'afterV a heat has y'been sideof thecage,.permitting the vladle, tov be re- I.- `Y placed in' use .Witlnnavery short timealfter ,4610

fV metal vpoured therein.

poured,fto, protect theV workmen, Whoyare in` the pouring-of eachheatand before .thesame has cooled sulliciently'to damagethe molten,

Thisl cage is inl the form of a steel y bucket 'l-ll Vor" lessjdiaineterthanrthe interior of the f 'ladle 'ardirfcrded .ill .its bottoni"Wallvih be turned upon its vertical axis and vpositioned Within 'theladle;

L6 coi-"operatesl kwith the' nozzleto normallyrshut oil "the flowy olmetal through thesame. and is operated through.

has .cooled 'to claim: v Y' A; protective Qcag'e n I 1Vvvithin.a.steelpouring ladle, a'ndha-ving an Y i `peiling.:th-rough`Which a fworkman "may reqh thG-inte i1' r 2 2." A protective alhingeddoor l2 which may be opened to permit the nozzle 3 to be Set, a peephole 13 being provided in the door to vpermit the `Workmen, inside ofthe cage, to properly locatethe nozzle as the cage is lowered into theladle. Y Y y V y A bail 'll may be located at the 'upper open end of thecage and provided with a swiveled hook 15 forjengagement with the usualchain upon-the crane in order thatthcrcage may Y A hinged door 16ispreferably providedy inthe sidewall of the cage, in alinement with thedoor 12, and adapted to be opened when the cage is raised (Airflovveredin order *to accommodate the goose'neck? andl stopper rod 6.ygAsimilar'door 17 may also be provided'in the upperportion ofthesidewall of "the cage to permit-Y a Workman to reach-there through to`chip any'v metalv Which lu'iay-V be .frozen upon the lire brick liningofthela'dle.L

A' ladder 18 may be formed, upon theinproperly side of the cage' topermit the Workmen to Y I enter orlleavepthesame, and a supply ofstopper rods may becarried in a rack V19 Yformed adjacent; thereto. TheWorkmen v 'may thusenter the' cagev with all y-oitheir tools'and othernecessary apparatus,- afterV which l the cage is` lowered;intov theladle and thework maybecompleted While the I workmen areY shielded from"the' heat of the ladle,'thus permittingfthemto'take sullicient timel toVd properly set thelnozzle and lstopper rop. y:

Iendn'of the Water jacket and arranged tofb'e i connected'byfa similarhose With a suitable drain. y

may also be 'proyided around the Vinterior of thecage if desired', andaheavy'jlayer 24 ol' asbestos or the like may be provided underneath thebottom ,ofthe cage for conl" tact with the heatedlire brick in thebottom p of' the ladle,

@The .Workmen .will thus be protected' from thefvintensefheat,of theladle andinayref place the nozzleand stopper-rod almost'imf Aflining;`23 offasbestos or Ysimilar material mediately-after a heat has beenpoured from the" ladle, and the green lireclaywhich is tampedv aroundthe nozzle Willbe- Vquickly baked-.by the heat, Vfro'mthe ladle.. -Y

of 'the ladle".

y, Y12555 yadaptedtothe'.placed 'i i Within a steel pouring la-dle, andhaving a door in its bottom through which a. nozzle may be placed in theladle.

3. A protective cage 'adapted to be placed Within a steel pouring ladle,and having a' door in itsside wall to accommodate theV goose neck of theladle.

4. A protective cage adapted to be placed Within a steel pouring ladle,andv having a door in the upper portion ot its sidewall through Which a.Workman may reach the` in- 6. A protective cage adapted to be placedWithin a steel pouring ladle, and having a layer of high heat resistingmaterial upon its bottom. Y Y

7. A protective cage adapted to loe placed Within asteel' pouring ladle,and a Water jacket formed in the Walls oit said cage.

8. A protective cage adapted to be placed Within a steel pouring ladle,a Water jacket formed inthe Walls or' said cage, and means forcontinuously circulating cooling Water through kSaid jacket.

In testimony that have hereunto subscribed my name.

WALTER W'. SHAWL.

I claim :the above, I'l

